<div class="wrapper">
  <div class="control">
    <div class="box width" contenteditable="true" dir="ltr">确认</div>
    <div class="box width" contenteditable="true" dir="ltr">Done</div>
    <div class="box width" contenteditable="true" dir="rtl">تم</div>
  </div>
  <div class="control">
    <div class="box min-width" contenteditable="true" dir="ltr">确认</div>
    <div class="box min-width" contenteditable="true" dir="ltr">Done</div>
    <div class="box min-width" contenteditable="true" dir="rtl">تم</div>
  </div>
</div>

*,
*::before,
*::after {
  box-sizing: border-box;
}
html,
body {
  min-height: 100vh;
  font-family: 'Open sans', sans-serif;
}
body {
  background: linear-gradient(50deg, #f3c680, hsla(179,54%,76%,1));
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 3vh;
}

.wrapper {
  position: relative;
  width: 50vw;
  background: white;
  border-radius: 15px;
  padding: 3vh;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 50vh;
}

.control {
  margin: 2vh;
}

.box {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  background: #755ac3;
  padding: 0.35rem 1rem;
  color: #fff;
  border-radius: 4px;
  text-align: center;
  box-shadow: 0 3px 6px 0 rgba(0, 0, 0, 0.15);
  font-size: 1.3rem;
  text-shadow: 1px 1px 1px rgba(255,255,255,.25);
  min-height: 40px;
}

.min-width {
  min-width: 100px;
}